LED assembly for transparent liquid crystal display
First Claim
Patent Images
1. A transparent liquid crystal display (LCD) assembly comprising:
- an LCD panel;
a light guide positioned behind the LCD panel and having a front surface and a rear surface;
a front bracket contacting the front surface of the light guide; and
a rear bracket contacting the rear surface of the light guide, wherein;
the light guide is configured such that the amount of light permitted to exit the rear surface of the light guide is at least 20% of the amount of light permitted to exit the front surface of the light guide.
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Abstract
A transparent liquid crystal display (LCD) assembly is disclosed. The assembly has an LCD panel and a light guide placed behind the LCD panel. The light guide ideally contains a front and rear surface. The assembly preferably has a front bracket that contacts the front surface of the light guide and a rear bracket that contacts the rear surface of the light guide. While the light guide is constrained from movement towards or away from the LCD panel by the front and rear brackets, the light guide is generally permitted to move parallel to the LCD panel.
40 Citations
18 Claims
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1. A transparent liquid crystal display (LCD) assembly comprising:
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an LCD panel; a light guide positioned behind the LCD panel and having a front surface and a rear surface; a front bracket contacting the front surface of the light guide; and a rear bracket contacting the rear surface of the light guide, wherein; the light guide is configured such that the amount of light permitted to exit the rear surface of the light guide is at least 20% of the amount of light permitted to exit the front surface of the light guide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A transparent LCD assembly comprising:
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an LCD panel; and a light guide positioned behind the LCD panel and substantially parallel to the LCD panel; wherein the light guide is permitted to move parallel to the LCD panel but constrained from movement towards the LCD panel, wherein; the light guide is configured such that light from the LEDs may exit a front surface and a rear surface of the light guide, and the amount of light permitted to exit the rear surface of the light guide is at least 20% of the amount of light permitted to exit the front surface of the light guide. - View Dependent Claims (13, 14, 15, 16)
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17. A transparent LCD assembly comprising:
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an LCD panel; a light guide positioned behind the LCD panel having a front and rear surface; a front bracket contacting the front surface of the light guide; a rear bracket contacting the rear surface of the light guide; and a plurality of LEDs arranged to direct light into a perimeter of the light guide, wherein; the light guide is configured such that light from the LEDs may exit a front surface and a rear surface of the light guide, and the amount of the light permitted to exit the rear surface of the light guide is at least 20% of the amount of light permitted to exit the front surface of the light guide. - View Dependent Claims (18)
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Specification